UINavigationController Pop or UIViewController dismiss

Pop or Dismiss.swift

// Check UINavigationController Pop or UIViewController dismiss

override func viewDidDisappear(animated: Bool) {
    super.viewDidDisappear(animated)
    
    let vcs = self.navigationController?.viewControllers
    if ((vcs?.contains(self)) == nil) {
        print("UINavigationController Pop")
    } else {
        print("UIViewController dismiss")
    }
}